Sturmey Archer Axle Thread Size


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wrongway

Wore out three sets of tires already!
Apr 24, 2012
995
266
Pella, IA
#1
I am looking on eBay for a set of wing nuts for one of my bikes. The ones for the Sturmey Archer hub. I'm not good with thread and nut sizing. Can anyone tell me what I should be looking for?
 

TR6SC

I live for the CABE
Jun 12, 2016
1,047
2,784
66
Eureka, CA
#2
The easiest way to get the diameter of the axle is to put a wrench on it. It's probably 3/8 of an inch. Measure 1 inch of the length of the axle and count the high or low points of the threads. It's probably 26. This is a standard British thread size, but not interchangeable with American or Metric. I would think that CEI (Cycle Engineers Institute) wing nut will be hard to find. eBay has British taps available. Be aware that British Standard Fine (BSF) is not 26 threads per inch. Count your threads.
1544663390091.png

here's a pair eBay #232895210814
 
Last edited:

Roger Henning

Look Ma, No Hands!
Dec 2, 2018
32
30
69
Sharon Wisconsin
#5
SA hubs are Whitworth threads which is a size onto itself. It is not Metric or SAE threading. You will have a hard time finding what uou want. Roger
 
Likes: wrongway

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